Inventor

Chong U. Lee

Inventor

San Diego, CA, US

Overview

1991–2018

Patent span

Electricity

Primary field (CPC H)

Patents· 83 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Bprimary

H04BTransmission13%

H04LTransmission of digital information, e.g. telegraphic communication11%

H04WWireless communication networks10%

H04NPictorial communication, e.g. television8%

G02BOptical elements, systems or apparatus6%

G09GArrangements or circuits for control of indicating devices using static means to present variable information4%

G10LSpeech analysis techniques or speech synthesis4%

G01SRadio direction-finding3%

G06FElectric digital data processing3%

H03KPulse technique3%

PatentTitleYear

10,073,201See through near-eye display2018 9,857,593'Optics display system with dynamic zone plate capability'2018 9,842,562'Dynamic zone plate augmented vision eyeglasses'2017 9,591,470'System and method for enabling operations based on distance to and motion of remote device'2017 9,510,383'System and method of associating devices based on actuation of input devices and signal strength'2016 9,325,948'Real-time compensation for blue shift of electromechanical systems display devices'2016 9,320,002'Low duty cycle network controller'2016 9,230,187'System and method for robust estimation of color dependent measurements'2016 9,226,236'Low duty cycle device protocol'2015 9,215,581'Distance-based presence management'2015 9,124,357'Media access control for ultra-wide band communication'2015 9,117,270'Pre-processed information embedding system'2015 9,096,419'Electromechanical systems device with protrusions to provide additional stable states'2015 9,081,188'Matching layer thin-films for an electromechanical systems reflective display device'2015 9,075,226'Multi-state IMOD with RGB absorbers'2015 9,035,934'Voltage biased pull analog interferometric modulator with charge injection control'2015 9,036,925'Robust feature matching for visual search'2015 9,030,391'Systems, devices, and methods for driving an analog interferometric modulator'2015 8,957,610'Multi-port reconfigurable battery'2015 8,886,125'Distance-based association'2014 8,879,141'Analog interferometric modulator'2014 8,841,862'LED driving system and method for variable voltage input'2014 8,817,358'Thin film stack with surface-conditioning buffer layers and related methods'2014 8,816,613'Reconfigurable battery'2014 8,811,456'Apparatus and method of low latency multi-hop communication'2014 8,797,632'Actuation and calibration of charge neutral electrode of a display device'2014 8,736,939'Matching layer thin-films for an electromechanical systems reflective display device'2014 8,700,105'Low duty cycle device protocol'2014 8,698,572'Delay line calibration'2014 8,654,868'Offloaded processing for wireless applications'2014 8,644,396'Waveform encoding for wireless applications'2014 8,625,902'Object recognition using incremental feature extraction'2014 8,619,350'Analog interferometric modulator'2013 8,605,630'Low duty cycle network controller'2013 8,600,373'Dynamic distribution of device functionality and resource management'2013 8,593,331'RF ranging-assisted local motion sensing'2013 8,552,903'Verified distance ranging'2013 8,553,745'Inter-pulse duty cycling'2013 8,527,016'Wireless device communication with multiple peripherals'2013 8,483,639'AGC for slicer-based low power demodulator'2013 8,473,013'Multi-level duty cycling'2013 8,451,710'Sub-packet pulse-based communications'2013 8,446,976'Signal generator with adjustable phase'2013 8,406,794'Methods and apparatuses of initiating communication in wireless networks'2013 8,385,474'Signal generator with adjustable frequency'2013 8,289,159'Wireless localization apparatus and method'2012 8,155,463'Pre-processed information embedding system'2012 8,018,884'Low duty cycle network controller'2011 8,014,425'Multiple access techniques for a wireless communiation medium'2011 8,000,543'Pre-processed information embedding system'2011 7,990,604'Analog interferometric modulator'2011 7,965,805'Signal generator with signal tracking'2011 7,945,234'Low duty cycle half-duplex mode operation with communication device'2011 7,889,753'Multiple access techniques for a wireless communication medium'2011 7,868,689'Low power slicer-based demodulator for PPM'2011 7,855,611'Delay line calibration'2010 7,716,001'Delay line calibration'2010 7,675,969'Adaptive rate control for digital video compression'2010 7,664,332'Pre-processed information embedding system'2010 7,576,672'Adaptive Dynamic Range Control'2009 7,576,605'Low power output stage'2009 7,460,667'Digital hidden data transport (DHDT)'2008 7,023,915'Adaptive rate control for digital video compression'2006 6,912,315'Pre-processed information embedding system'2005 6,888,943'Multimedia adaptive scrambling system (MASS)'2005 6,792,542'Digital system for embedding a pseudo-randomly modulated auxiliary data sequence in digital samples'2004 6,717,908'Bit interleaving for orthogonal frequency division multiplexing in the transmission of digital signals'2004 6,366,614'Adaptive rate control for digital video compression'2002 6,282,168'Bit interleaving for orthogonal frequency division multiplexing in the transmission of digital signals'2001 6,154,484'Method and apparatus for embedding auxiliary data in a primary data signal using frequency and time domain processing'2000 6,151,296'Bit interleaving for orthogonal frequency division multiplexing in the transmission of digital signals'2000 5,963,909'Multi-media copy management system'1999 5,940,429'Cross-term compensation power adjustment of embedded auxiliary data in a primary data signal'1999 5,937,000'Method and apparatus for embedding auxiliary data in a primary data signal'1999 5,901,178'Post-compression hidden data transport for video'1999 5,822,360'Method and apparatus for transporting auxiliary data in audio signals'1998 5,719,937'Multi-media copy management system'1998 5,689,311'After image reducer'1997 5,687,191'Post-compression hidden data transport'1997 5,576,767'Interframe video encoding and decoding system'1996 5,452,104'Adaptive block size image compression method and system'1995 5,107,345'Adaptive block size image compression method and system'1992 5,021,891'Adaptive block size image compression method and system'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2018Patents assigned to QUALCOMM INC (50)· patent assignee history

1991–2018Based in San Diego, CA, US· patent location history

2011–2016Patents assigned to QUALCOMM MEMS TECHNOLOGIES INC (12)· patent assignee history

2012–2015Patents assigned to LEE CHONG U (26)· patent assignee history

2012–2015Patents assigned to JULIAN DAVID JONATHAN (19)· patent assignee history

2013–2014Patents assigned to EKBAL AMAL (12)· patent assignee history

2014–2017Based in Cupertino, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
QUALCOMM INC	50	1991–2018
LEE CHONG Uself	26	2012–2015
JULIAN DAVID JONATHAN	19	2012–2015
EKBAL AMAL	12	2013–2014
QUALCOMM MEMS TECHNOLOGIES INC	12	2011–2016

Locations

Location	Patents	Span
San Diego, California, US	79	1991–2018
Cupertino, California, US	4	2014–2017